Question

How do you graph `f(x)=-log_3x`?

Answer 1

Standard graph of `ln(1/x)` scaled by `1/ln3`

Explanation:

`f(x) = -log_3 x`

`= - lnx/ln3`

`= 1/ln3 * ln(x^-1) = 1/ln3 *ln(1/x)`

The graph of `f(x)` can be seen below.

graph{ln(1/x)/ln3 [-1.345, 5.585, -1.275, 2.193]}